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This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

A337007 a(n) = gcd(b(n),b(n+1)), where b(n) = A336957(n).

Table of values

n a(n)
1 1
2 2
3 3
4 5
5 7
6 2
7 3
8 11
9 5
10 2
11 3
12 7
13 11
14 2
15 5
16 3
17 13
18 2
19 7
20 3
21 17
22 2
23 19
24 3
25 23
26 2
27 5
28 13
29 7
30 6
31 5
32 17
33 7
34 8
35 3
36 5
37 19
38 4
39 3
40 29
41 5
42 2
43 11
44 3
45 31
46 2
47 13
48 3
49 35
50 2
51 29
52 3
53 37
54 2
55 17
56 3
57 41
58 2
59 5
60 23
61 7
62 12
63 5
64 31
65 7
66 2
67 3
68 43
69 5
70 2
71 3
72 47
73 5
74 22
75 3
76 7
77 19
78 8
79 9
80 5
81 7
82 2
83 13
84 11

List of values

[1, 2, 3, 5, 7, 2, 3, 11, 5, 2, 3, 7, 11, 2, 5, 3, 13, 2, 7, 3, 17, 2, 19, 3, 23, 2, 5, 13, 7, 6, 5, 17, 7, 8, 3, 5, 19, 4, 3, 29, 5, 2, 11, 3, 31, 2, 13, 3, 35, 2, 29, 3, 37, 2, 17, 3, 41, 2, 5, 23, 7, 12, 5, 31, 7, 2, 3, 43, 5, 2, 3, 47, 5, 22, 3, 7, 19, 8, 9, 5, 7, 2, 13, 11]

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